# ROVL Firmware Files by Device Type

When connected to the internet, CeruleanTracker can find new firmware files and automatically decide which device needs which update. If you are not connected to the internet, you must find and assign firmware files manually. CeruleanTracker will still try to double-check your decision.

### Files by Device Type <a href="#toc97284325" id="toc97284325"></a>

Check the table below to see which files are required for the device(s) you wish to update.

#### Firmware Filenames by Device Type

<table data-header-hidden><thead><tr><th width="140"></th><th width="123"></th><th width="120"></th><th width="131"></th><th width="100"></th><th width="101"></th><th></th></tr></thead><tbody><tr><td>Firmware Filename (all will also have a date appended)</td><td><p>Mk I</p><p>Transmitter</p></td><td>Mk II Transmitter</td><td>Mk III Transponder</td><td>Mk I Receiver</td><td>Mk II Receiver</td><td>Mk III Transceiver</td></tr><tr><td>ROVL-TX Mk I-Mk II-Mk III</td><td>X</td><td>X</td><td>X</td><td></td><td></td><td>X</td></tr><tr><td>ROVL-RX Mk I</td><td></td><td></td><td></td><td>X</td><td></td><td></td></tr><tr><td>ROVL-RX Mk II-Mk III</td><td></td><td></td><td></td><td></td><td>X</td><td>X</td></tr><tr><td>ROVL-TP</td><td></td><td></td><td>X</td><td></td><td></td><td></td></tr></tbody></table>

***Be sure to scroll horizontally to see all the columns of the table.***